Progress against the field
Niels Sertons has gained 15:30 on the field from Amsterdam 2026 to Rotterdam 2026.
The clock says 17:38 faster, but the races themselves got 2:08 quicker for everyone.
How this is worked out ⓘ
A finish time moves for two reasons: the athlete, and the race — its course, its floor, its day. For each pair of races in a row in one category, we take everyone who raced both and use the middle of how much they moved (the median) as "the race". Whatever is left is the athlete. Doubles are compared only when the same two people raced both, and told as the pair's; relays are left out. A pair with fewer than 15 athletes in common is not shown.
Every race
2 races · 2 events
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Rotterdam15 Apr 2026Individual Open · Men1:12:16 PB154/1192Beat 87%
↑ 84 days after Amsterdam 2026 15:30 better than the field Why ↓Close ↑
15:30 better than the field: 17:38 faster on the clock, against 2:08 faster for everyone.
The fieldCompare these two →2:08 faster This athlete17:38 faster -
Amsterdam21 Jan 2026Individual Open · Men1:29:541102/1620Beat 32%